Create docker-build.yml

Author: PythonGermany

.github/workflows/docker-build.yml

@@ -0,0 +1,13 @@
+name: Docker build
+
+on:
+  push:
+    branches: [ "main" ]
+
+jobs:
+  docker-build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Build the Docker image
+      run: docker build . --tag webserv:$(date +%s)